How much does a 5.00ct+ I VVS1 lab grown cushion diamond cost?

As of October 2026, 5.00ct+ I VVS1 lab grown cushion diamonds typically cost $1,798 AUD to $1,808 AUD, with a median price of $1,803 AUD. There are currently 1 diamonds matching this specification available across retailers.

Where can I find the best price on a I VVS1 cushion diamond?

Compare prices across retailers on Carat Hunter to see all your options.

5.00ct+ I VVS1 Lab Grown Cushion

Quick answer

As of October 2026, there are 1 lab grown cushion diamonds with I colour and VVS1 clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run $1,798 AUD to $1,808 AUD, with a median of $1,803 AUD. At least 1 retailers stock this exact specification. Half of all listings fall between $3,205 AUD and $3,449 AUD per carat. The same specification in natural form lists at a median of about $24,294 AUD per carat. Over the last 30 days the median price moved -9.5% and the number of listings moved +5.7%.

Three of the best scored stones at this specification right now:

5.33ct Cushion I VVS1, IGI, grade A, from $1,796 AUD

Caratlytics Diamond Price Index, September 2026: natural diamonds at 2,335 USD per carat and lab-grown at 443 USD per carat, a natural to lab ratio of 5.3 to 1. Cushion lab grown stones in the index: 516 USD per carat, +6.9% month on month. See the full index release

Figures come from current listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: October 2026

Available

Lowest Price

$1,796 AUD

Highest Price

$4,729 AUD

Average Price

$1,803 AUD

Market Intelligence

Retailers Selling

Cross Retailer %

0.0%

Price Spread

7.3%

30-Day Price Trend

-9.5%

30-Day Supply Change

+5.7%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$2,353/ct

10th Percentile

$2,139

Median

$2,353

90th Percentile

$2,555

Score Distribution

2 diamonds scored across 2 quality tiers

Excellent

1 (50.0%)

Very Good

1 (50.0%)

Find Your Diamond

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Consider Instead

Save money without compromising on what matters. These alternatives are visually similar but cost less.

J VVS1J colour is visually identical to I to the naked eye

Save 18%

I VVS2VVS2 inclusions are not visible without magnification

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Related Specifications

D IF D VVS1 D VVS2 D VS1 D VS2 D SI1 E IF E VVS1 E VVS2 E VS1 E VS2 E SI1 F IF F VVS1 F VVS2 F VS1 F VS2 F SI1 G IF G VVS1 G VVS2 G VS1 G VS2 G SI1 H IF H VVS1 H VVS2 H VS1 H VS2 H SI1 I IF I VVS1 I VVS2 I VS1 I VS2 I SI1